[MIPS] Adding validator for MIPS architecture.

src/trusted/gdb_rsp/build.scons

 # -*- python -*-
 # Copyright 2010 The Native Client Authors.  All rights reserved.
 # Use of this source code is governed by a BSD-style license that can
 # be found in the LICENSE file.
 
 # This file needs to be in sync with $MAIN_DIR/src/third_party/ppapi/ppapi.gyp
 # at the revision specified in $SOURCE_ROOT/native_client/DEPS.
 
 Import('env')
 
 # this is needed for including gdb_utils files
 env.Append(CPPPATH=['${SOURCE_ROOT}/gdb_utils/src'])
 
 if env.Bit('windows'):
   env.Append(CPPDEFINES=['WIN32'])
   if env.Bit('target_x86_64'):
     env.Append(CPPDEFINES=['WIN64'])
 
 if env.Bit('target_arm'):
   env.Append(CPPDEFINES=['GDB_RSP_ABI_ARM'])
+elif env.Bit('target_mips32'):
+  env.Append(CPPDEFINES=['GDB_RSP_ABI_MIPS'])
 elif env.Bit('target_x86'):
   env.Append(CPPDEFINES=['GDB_RSP_ABI_X86'])
   if env.Bit('target_x86_64'):
     env.Append(CPPDEFINES=['GDB_RSP_ABI_X86_64'])
 else:
   raise Exception("Unknown target")
 
 rsp_sources = [
     'abi.cc',
     'host.cc',
@@ skipping 17 matching lines @@
 # Build only for Win64
 env.DualLibrary('gdb_rsp', rsp_sources)
 gdb_rsp_test_exe = env.ComponentProgram('gdb_rsp_unittest',
                      rsp_test_sources,
                      EXTRA_LIBS=['gdb_rsp'])
 
 node = env.CommandTest(
   'gdb_rsp_unittest.out',
   command=[gdb_rsp_test_exe])
 env.AddNodeToTestSuite(node, ['small_tests'], 'run_gdb_rsp_tests')